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Your system is probably still under pressure. Close the cylinder valve and remove the CO2 hose from the pressure regulator fitting. Open the regulating screw and release the pressure still present in the pressure regulator until both pressure gauges show 0 bar. Loosen the connecting nut of the pressure regulator fitting from the cylinder valve.
When dealing with compressed gas systems, the safety of the user is paramount. That is why it is a matter of course at JBL to achieve the perfect balance between the highest manufacturing standards and precision. The CNC-milled pressure reducers ensure an exact fit. Internal flat seals mean long service life and robustness. Our internal quality control for each batch ensures that any irregularities are noticed before delivery and that these items can be blocked from further use. Our product is therefore safe to use. Several online marketplaces sell pressure reducers that do not meet the requirements needed for years of safe operation in aquaristics. A short product lifetime and frustration are the results and we choose to spare you this. In addition to direct contact with the JBL team of experts through our Customer Service, you are entitled to the extended 4-year guarantee (JBL GarantiePlus) from JBL.
All check valves or backflow protectíons from JBL require a working pressure of at least 0.6 bar for the valve to open. This feature can be found in the JBL PROFLORA CO2 TAIFUN SAFESTOP, COUNTSAFE and INLINE. The JBL PROFLORA TAIFUN diffusers also all already work with this pressure. A higher working pressure is not necessary, which is why all accessories also work with the JBL PROFLORA BIO SETs (except JBL PROFLORA CO2 STARTER BIO SET). Due to installation, a slightly higher working pressure than 0.6 bar may be necessary due to long hoses and other components, which is why the presetting of 1.2 bar is sufficient in any case.
Yes, this is possible without any problems with the JBL PROFLORA CO2 REGULATOR. If you have the SET U, you can connect reusable cylinders with the JBL PROFLORA CO2 ADAPT U - M adapter. This adapter is already installed in the SET M and can be removed with an Allen key. This makes it possible to install JBL CO2 disposable cylinders in the sizes 500g and 1200g. An ideal option for bridging the gap between bottle filling or during the holiday phase for your substitute carer._x000D_
The working pressure of the JBL PROFLORA CO2 REGULATOR BASIC is preset to 2.0 bar. The working pressure cannot be changed. As the pressure reducer does not have a pressure gauge to indicate the working pressure, the default setting is defined as the highest possible pressure of 2 bar.
No, a tool should never be used. The use of a tool can lead to damage. There is a thin spike at the tip of the needle valve. If the needle valve is closed clockwise and turned too tightly or with a tool, it may break off and damage the pressure regulator._x000D_ _x000D_
No, a tool is not required and should not be used under any circumstances. The use of a tool can lead to damage. You can mount the pressure reducer on the CO2 cylinder with your hands. Turn only until you feel resistance and then turn about half a turn more. This way the pressure regulator fitting is hand-tight. A short hissing sound will be heard when attaching the fitting to disposable cylinders.
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